Home / 52,079.15-78,069.51-18,790.27

Finding the Fourth Proportional to 52,079.15, 78,069.51 and 18,790.27

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Solution

The fourth proportional to 52,079.15, 78,069.51 and 18,790.27 is: 28,167.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,079.15 : 78,069.51 = 18,790.27 : x
  2. Step 2: Convert to fraction form
    52,079.15/78,069.51 = 18,790.27/x
  3. Step 3: Cross multiply
    52,079.15x = 78,069.51 × 18,790.27
  4. Step 4: Simplify right side
    52,079.15x = 1,466,946,976.49
  5. Step 5: Solve for x
    x = 1,466,946,976.49/52,079.15
  6. Step 6: Final answer
    x = 28,167.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.